Zhao Zhili
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c2c96c4c24
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avfilter: add scale_vt for videotoolbox pix_fmt
For example,
./ffmpeg -hwaccel videotoolbox \
-hwaccel_output_format videotoolbox_vld \
-i ios-265.mov \
-c:v hevc_videotoolbox \
-profile:v main \
-b:v 3M \
-vf scale_vt=w=iw/2:h=ih/2:color_matrix=bt709:color_primaries=bt709:color_transfer=bt709 \
-c:a copy \
-tag:v hvc1 \
/tmp/test.mp4
Input: hevc (Main 10) (hvc1 / 0x31637668), yuv420p10le(tv, bt2020nc/bt2020/arib-std-b67), 3840x2160
Output: hevc (Main) (hvc1 / 0x31637668), yuv420p(tv, bt709, progressive), 1920x1080
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
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2023-07-23 11:51:57 +08:00 |